After My Confession Failed, I Stopped Chasing You. Why Are You So Anxious?

[No female lead or a single female lead.] “So I was just a backup option.” He was reborn and returned to the night of his high school graduation celebration, the night he confessed to Chen Xian'er for the ninth time. Facing Chen Xian'er, whom he had liked for more than twenty years, Zhou Hei no longer felt the flutter he once had. He chose to cut his losses. What wasn't meant for him never would be, and he could live just fine without Chen Xian'er. But after he became successful, Chen Xian'er blamed him for not being persistent enough... Zhou Hei was baffled. He wasn't that desperate, so why did he have to be Chen Xian'er's backup option?